20828218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{17681}}^1$

素因数の和:17733

約数の個数: 16

約数和(自身を含む): 33949440

約数和(自身を除く): 13121222

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 17681, 35362, 335939, 548111, 671878, 1096222, 10414109, 20828218]

約数ペア:

[(1, 20828218), (2, 10414109), (19, 1096222), (31, 671878), (38, 548111), (62, 335939), (589, 35362), (1178, 17681)]